Added missing ChangeLog entry
Highlight the selection of text.

* lisp/pdf-info.el: New function `pdf-info-getselection'.
(pdf-info-query--transform-response): Added getselection.
(pdf-info-gettext): Added selection-style argument.

* lisp/pdf-misc.el (pdf-misc-minor-mode-map): Added mouse
binding. C-w will now copy the selected region, if there is one.
(pdf-misc-selection-convert-commands): New variable.

* lisp/pdf-render.el (pdf-render-redraw--1): Added silent argument.
(pdf-render-redraw-document): Dito.
(pdf-render-momentarily-process): Dropped caching files.

* src/epdfinfo.c: Added new command getselection.
(print_annot): Removed suspicous type cast.
(cmd_gettext): Added selection-style argument.
Merge branch 'highlight-selection'